Finding the Fourth Proportional to 494,407.68, 682,284.08 and 268,053.28
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Solution
The fourth proportional to 494,407.68, 682,284.08 and 268,053.28 is: 369,914.33
Step by Step Solution
- Step 1: Write the proportion equation
494,407.68 : 682,284.08 = 268,053.28 : x - Step 2: Convert to fraction form
494,407.68/682,284.08 = 268,053.28/x - Step 3: Cross multiply
494,407.68x = 682,284.08 × 268,053.28 - Step 4: Simplify right side
494,407.68x = 182,888,485,535.78 - Step 5: Solve for x
x = 182,888,485,535.78/494,407.68 - Step 6: Final answer
x = 369,914.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.